<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <script src="https://libs.baidu.com/jquery/1.11.3/jquery.min.js"></script>
    <script>
        $(function(){
            $("div,.lv,lvye").css("color","red");
        })
    </script>
</head>
<body>
    <div>中国我爱你</div>
    <p>中国我爱你</p>
    <span class="lv">中国我爱你</span>
    <div id="lvye">中国我爱你</div>
</body>
</html>